With its stunning looks, the 2015 Mercedes-Benz S550 Coupe sets a new bar for driving comfort, yet can also handle twisty roads with confidence and power. While it carves a path toward the self-driving car of the future, its Internet features let it down.

Mercedes-Benz rolled out this concept at the 2013 Frankfurt motor show: the Concept S-Class Coupe. CNET's Wayne Cunningham gives us a first look and shows you how the company is using Gracenote to set the music you have in the car to reflect certain types of moods.